Table 8

 Incidence (injuries/1000 player match hours) of acute and gradual onset training injuries on artificial turf and grass in male and female players

Injury causation factorMale playersFemale players
Incidence (95% CI)Incidence ratio(95% CI)p Value(z test)Incidence (95% CI)Incidence ratio(95% CI)p Value (z test)
Artificial turfGrassArtificial turfGrass
Nature of onset
    Acute2.92 (2.51 to 3.40)2.63 (2.42 to 2.86)1.11 (0.93 to 1.32)0.241.94 (1.58 to 2.38)2.23 (2.05 to 2.43)0.87 (0.69 to 1.08)0.21
    Gradual0.39 (0.26 to 0.59)0.37 (0.29 to 0.46)1.06 (0.66 to 1.70)0.810.51 (0.34 to 0.76)0.53 (0.45 to 0.63)0.96 (0.62 to 1.49)0.86
Cause of onset
    Contact with player1.08 (0.84 to 1.39)0.85 (0.73 to 0.98)1.27 (0.95 to 1.70)0.100.47 (0.31 to 0.71)0.56 (0.47 to 0.66)0.84 (0.54 to 1.32)0.45
    Contact with surface0.28 (0.17 to 0.46)0.26 (0.20 to 0.34)1.08 (0.62 to 1.88)0.800.40 (0.26 to 0.63)0.32 (0.26 to 0.40)1.26 (0.76 to 2.08)0.37
    Contact with object/ball0.32 (0.20 to 0.51)0.33 (0.26 to 0.41)0.98 (0.58 to 1.64)0.940.32 (0.19 to 0.53)0.33 (0.26 to 0.41)0.98 (0.56 to 1.71)0.94
    Non-contact1.61 (1.31 to 1.98)1.56 (1.40 to 1.74)1.03 (0.82 to 1.30)0.801.26 (0.97 to 1.62)1.56 (1.41 to 1.73)0.81 (0.61 to 1.06)0.12